Found by talking SMTP to port 25 of the test server once it answered
again (2026-10-10): RCPT TO:<dmarc-reports+bs.mixdep.ru@selfpost.mixfed.ru>
was refused with "550 5.1.1 User unknown in relay recipient table".
With INBOUND_RELAY_ENABLE and DMARC_REPORTS_ENABLE both true the server's
own name is a relay domain (for the reports) and relay_recipient_maps
lists the relay's recipients only. smtpd_reject_unlisted_recipient
applies after the restriction list, so the OK that
check_recipient_access gives a report address does not help: every
report was refused. The table of report addresses is added to
relay_recipient_maps in that combination.
Checked on the server by setting the parameter in the running container
and reloading Postfix: the domain's report address is answered 250, the
former server-wide mailbox and an unknown local part 550, a foreign
domain and an inbound domain without recipients 554. e2e: the combined
case requires relay_recipient_maps to name both tables.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Seen in the System log of the test server (2026-10-10): on every
connection to port 25
postfix/smtpd: fatal: unexpected command-line argument:
texthash:/data/postfix/dmarc_recipients,reject_unauth_destination,...
postfix/master: warning: .../smtpd: bad command startup -- throttling
With DMARC_REPORTS_ENABLE=true the script wrote
-o smtpd_recipient_restrictions=check_recipient_access texthash:...,...
into master.cf. Master splits a service line on whitespace, so smtpd got
the option cut at the space plus a stray argument and died at start:
port 25 greeted nobody - no inbound relay, no DMARC reports. postconf -P
smtp/inet/smtpd_recipient_restrictions showed the cut value,
"check_recipient_access". The server's logs have it under the previous
image too (2026-10-09), so it is not from the redesign; postfix check
does not notice, and the e2e check compared the text of master.cf with
an expectation that had the space in it.
- The restriction list is written with commas only (Postfix splits it
on commas as well as whitespace).
- master_cf_set_smtp_inet_o stops the container on a value with
whitespace instead of writing it.
- e2e: for every option it checks, the port-25 case also asks
postconf -P and requires Postfix to read the same value.
Not fixed here: Postfix's start-time warnings "not owned by root" for
the queue directory and its pid/ - the entrypoint's recursive chown
again; harmless, logged at every start.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Review pass over `1.4.0`…`1.9.1`: port 25 no longer shares the submission milter chain, DMARC reports are validated before they are stored, and the auto rate limit is correct for a non-default level-1 window. Schema migration `0010` (index only). Upgrading is a tag bump.
Added:
- SQLite migration `0010_send_log_app_login_index.sql` —
- DMARC aggregate reports are accepted as **zip** as well as gzip or plain XML
- e2e: `checkPort25ConfigCombinations` regenerates the Postfix configuration
Changed:
- README hero line and a **Positioning** block in `docs/product.md` record the
Fixed:
- The setup account's password is hashed at bcrypt cost `12` like every other
- Login/setup rate limiter: protecting blocked buckets from eviction is now
- `postqueue -p` output is bounded to 4 MiB (the timeout alone left the size of
- [schema-migrations.md](docs/schema-migrations.md): the schema section was
- postqueue reader is now time-bounded: `postqueue -p` runs under a 5-second
… (11 more in CHANGELOG)
Changed:
- [roadmap.md](docs/roadmap.md) now carries everything the 2026-08-19 code
- Extracted `internal/configsafe` — the empty-value and forbidden-character
- Build, deploy and migration comments no longer cite the archived
- Dropped the `parseDomainRateLimitForm` / `parseAppRateLimitForm` pass-through
- Extracted shared helpers: `internal/atomicfile` (atomic temp-write+rename) and
… (7 more in CHANGELOG)
Removed:
- Unused legacy asset `docs/assets/icon.png` (superseded by the four brand SVGs
- Plan documents for already-shipped features: `domain-stats-auto-ratelimit`,
Full detail: CHANGELOG.md (1.9.2).
mixandClaude Opus 5.5